Question from David K.:  My computer has Windows 7 and there is a file named csrss.exe running according to Task Manager. Actually, there are two of them. They are in system.

Some websites say this file is a virus, and others say it isn’t. How do I know?

Rick’s answer:  David, csrss.exe is a critical system file, not a virus. The filename is actually an acronym that stands for Client/Server Run-Time Subsystem.

It is perfectly normal to see this file listed in Task Manager (often twice) as it loads into memory every time Windows starts up.  [Read more…]